Bicycle alarm-bell.



No. 641,827. Patented Jan. 23, I900.

C. A. BRINK.

BICYCLE ALARM BELL.

(Application filed Sept. 21, 1899.)

(No Modal.)

Witnesses. Inventer.

AttorneyS FFICE.

PATENT ARL A. BRIN, on AlTLEBOROUGH, MASSAHUSETTS, ASSIGNOR TO THE FRANK MQSSBERG COMPANY, on SAME PLACE;

ICYCLE ALARM-BELLL SPCFICAIN forming part of Letters Patent No. 641,827, dated January 23, 1900. Apxliation filed September 21, 1899. Serial No. 731,165. (No modal.)

T0 aZZ whoin it may concern: Be it known that I, CARL A. BRINK, et No. 28 South Main street, Attleborough, in the county of Bristol and State of Massachusetts,

have invented certain new and usetul ImproVements in Bicycle Alarm-Bells; and I do hereb declare that the following is a full, clear, and exact description thereof,reference being had to the atccompanyin g drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention relates to the alarm bells or gongs used on bicycles and like vehicles to give warning of their approach. It is fully explained andillustrated in this specification and the accompanying drawings. Figure 1 represents the bell attached to a handle-bar of a bicycle as when in use. Fig. 2 shows the bell with one of the gongs removed to show the ringing mechanism inside. Fig. 3 is a section through the center of the bell in direction of line 3 3 in Fig. 2. Fig. 4 is a side view of the bell and ring-olasp by which it is attached to the handle-bar. Fig. 5 is an elevation of the stationary plate in the bell. Fig. 6 represents the moving plate and its operating-handle.

The objects of this invention are to simplify the construction of the bell, to lessen its cost,

and make it less liable to get out of order and at the same time increase its efliciency as a reliable alarn1 to use on bicycles and other road conveyances.

The bell is made of two parts or gongs O C. The part 0 has a hollow stud a, made fast to its center inside, and the hole in the center of the stnd a bas a screw-thread made in it to receive the screw 0, which is made fast in the other gong C. (See Fig. 3.) A threepronged plate D (seen separately in Fig. 5) is rigidly secured to the end 01: the stud a at the hole 0 in the plate D. The upper end of the plate D is turned up at one side to form a 100p 7) to form a double bearing for a small shaft h, which has a double hammer d made fast on one end and a crank g on the other end, by which the hammer d is operated. A movable plate J, which is shown in Fig. 6, is

l1eld on a stud n, fast in the stationary plate D, and has its lower end bent off to one aide and carried through a notch 7" in one of the other end hooked into the hole 2' in themovable plate J to draw back the plate J when it has been pushed over to the dot-ted lines in Fig. 2.

The bell is attached to the handle-bar of a bicycle by means of a ring-clamp, one-half of which, 7.5, is made fast to the back of the gong C and has one end turned out to form an ear 6, and an openin g en is made throu gl1 the other end with a pin 7" on its outer edge. (See Fig. 3.) The other half of the clamp, la, bas one end turned out to form an ear 6, and a. series of holes m are made in the other end. The end k is put through the opening 7%, and one of the holes m, is hooked onto the pin 7, and a screw y, is put through a hole in one of the ears and screwed in to the other ear to draw handle causes the upper end of that plate to throw the cran]: g over to the left by the spring and as soon as the crank passes the center the spring throws it up to the left quickly and causes the hammer d, as shown by the dotted lines in Fig. 2, to strike one of the gongs on that side, and when the pressure is removed from the handle S the spring II draws the plate J back, and as the crank again passes the center the spring f throws it up to the right again and causes the end of the hammer t0 strike the other gongs. This gives a stroke on each gong for every time the handle S is pushed over to one side. The hammer cl is twisted out of its plane of motion, so that one end shall strike one gong and ehanging the spring H over to connect the other prong j with the hole 73' the action of the plate J will be reversed, so thatthe bell by a slight change can be used either on the right 01 left hand handle-bar.

Having thns described my improvements, I claim as myinvention and desire to secure by Letters Patent- 1. In an alarm-bell the combination of two gongs, a stationary plate held on a stnd fast in the center of said gongs, a short shaft having a hammer on one end and a cran]: on the other end held in bearings in the outer end of the stationary plate, snbstantially as deseribed.

2. In a bicyclebell the combination of two gongs held on one stnd, a stationary plate held on said stud between said gongs, an oscillating lever pivoted to said stationary plate, a short shaft held in a bearing in the stationary plate and having a erank on one end and a hammer on the other end, a short spiral springconnectingsaid crank on the end of the oseillating plate, snbstantially as deseribed.

3. In a bieycle-bell the combination of a stationary plate, an oseillating plate pivoted to the stationary plate, et shaft held in a bearing on the stationary plate and having a hammer on one end and a crank on the other end, a short stil spiral spring rigidly seeured to one end of the oscillating plate and one end connected to the crank so the spring Will be eompressed as the crank passes the center and strike the gong by the expansion of the spring when the crank has passed the center, and a elosed spiral spring t0 conneet said oscillating plate and stationary plate, substantially as described.

4. An adjustable clamp for bicycle-belle consisting of a U-shaped strip of metal fastened to the bell, one end being provided With a serew-threaded ear and the other end having an opening in it with a pin or buckletongue on the side nearest the end, an adjnstable baud passing throngh said opening and having holes in it to fit on said pin or bnckletongue, With a screw and a hole in the end of said baud to receive it, snbstantially as deseribed.

In testimony whereof I have hereunto set my hand this 18th day of September, A. D. 1899.

CARL A. BRINK.

In presence of- PHILIP E. BRADY, GEORGE A. MONROE, J1. 

